/***************************************************************************
 *            points.c
 *
 *  Mon Aug 25 16:12:40 2008
 *  Copyright  2008  Tiago Falcão
 *  <tiago@tiagofalcao.com>
 ****************************************************************************/

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Library General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor Boston, MA 02110-1301,  USA
 */

#include "points.h"

//Conversao de Coordenada 
point_cart point_esf2cart(point_esf esf){
	point_cart cart;
	cart.z=esf.r*cos(esf.theta)*sin(esf.phi);
	cart.x=esf.r*sin(esf.theta)*sin(esf.phi);
	cart.y=esf.r*cos(esf.phi);
	return cart;
}

//Coordenadas Esfericas
void point_esf_add_r(point_esf* esf,float value){
	esf->r+=value;
	if(esf->r<0)
		esf->r=0;
}
